Name ______________________________ Class ___________________ Date __________________ Skills Worksheet Directed Reading A Section: Wind Erosion and Deposition _____ 1. How do plants reduce wind erosion? a. Plants shade the soil. b. Plant roots hold sand and soil in place. c. Plants break down and make soil. d. Plant roots help break up soil. THE PROCESS OF WIND EROSION Match the correct description with the correct term. Write the letter in the space provided. Some terms will not be used. _____ 2. wind causes sand-sized particles to skip and bounce _____ 3. wind erosion in which fine, dry soil particles are blown away a. b. c. d. e. deflation hollows abrasion saltation deflation desert pavement _____ 4. grinding and wearing down of rock by other rock or sand WIND-DEPOSITED MATERIALS _____ 5. Wind carries particles like rivers carry a. water. b. grass. c. sediment. d. fish. _____ 6. Very fine-grained sediment deposited by wind is called a. dunes. b. beach. c. loess. d. talcum. Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 3 Agents of Erosion and Deposition Name ______________________________ Class ___________________ Date __________________ Directed Reading A continued Place the five steps involved in forming a sand dune in order from first to last. Write the appropriate number in the space provided. _____ 7. Material collects and creates an additional obstacle. _____ 8. Wind deposits more material, forming a mound or dune. _____ 9. Slowing wind drops the heavier particles. _____ 10. Wind hits a rock, plant, or other object and slows down. _____ 11. The original object eventually becomes buried. 12. Explain how dunes migrate in the direction of the wind. _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 4 Agents of Erosion and Deposition